Distillation head



FIG. 1 shows a top and side perspective view of a cold trap.

FIG. 2 shows a bottom and reverse side perspective view thereof.

FIG. 3 shows a side view, the reverse side being a mirror image thereof.

FIG. 4 shows a front view thereof.

FIG. 5 shows a rear view thereof.

FIG. 6 shows a top plan view thereof.

FIG. 7 shows a bottom plan view thereof; and,

FIG. 8 is a cutaway view taken long line 8-8 in FIG. 5. 

CLAIM The ornamental design for a distillation head, as shown and described. 